The award-winning, free Web browser is better than ever. Browse the Web with confidence - Firefox protects you from viruses, spyware and pop-ups. Enjoy improvements to performance, ease of use and privacy. It's easy to import your favorites and settings and get started. Download Firefox now and get
... [More] the most out of the Web.
Ohloh Note: There's more to Firefox! See the Mozilla Core and Mozilla Chrome projects for complete coverage. [Less]

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, the DOM, JavaScript, network activity and cookies live in any web page.

jQuery is a fast, concise, JavaScript library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your Web pages.
It is not a huge, bloated framework promising the best in AJAX, nor is it just a set of needlessly complex enhancements.
... [More] jQuery is designed to change the way that you write JavaScript.
"You start with 10 lines of jQuery that would have been 20 lines of tedious DOM JavaScript. By the time you are done it's down to two or three lines and it couldn't get any shorter unless it read your mind." - Dave Methvin [Less]

The GNOME project provides two things: The GNOME desktop environment, an intuitive and attractive desktop for users, and the GNOME development platform, an extensive framework for building applications that integrate into the rest of the desktop.

Chromium is the open-source project behind Google Chrome. It builds on components from other open source software projects, including WebKit and Mozilla, and is aimed at improving stability, speed and security with a simple and efficient user interface.
See licensing at
... [More]
http://dev.chromium.org/developers/faq
and
http://code.google.com/chromium/terms.html [Less]

Prototype is a JavaScript framework that aims to ease development of dynamic web applications. Featuring a unique, easy-to-use toolkit for class-driven development and the nicest Ajax library around, Prototype is quickly becoming the codebase of choice for web application developers everywhere.

Login Required

Vaadin is a web application framework for Rich Internet Applications (RIA). In contrast to Javascript libraries and browser-plugin based solutions it features a server-side architecture, which means that the majority of the logic runs on the servers. Ajax technology is used at the browser-side to
... [More] ensure a rich and interactive user experience.
Vaadin is a big collection of UI components. There are server-side components like Button, Table, Tree that you use to compose the application user interface. The components use events, listeners and data binding to communicate with each other and the business logic.
The component based architecture together with the data binding features help you to build applications that are easily modularized and refactored as needed. [Less]